Know all about Skarn and Gossan properties here. All properties of rocks are important as they define the type of rock and its application. Skarn and Gossan belong to Metamorphic Rocks.Texture of Skarn is Earthy, Mud-rich, Rough whereas that of Gossan is Rough, Sandy. Skarn appears Dull and Gossan appears Dull and Banded. The luster of Skarn is waxy and dull while that of Gossan is metallic. Skarn is available in black, brown, colourless, green, grey, white colors whereas Gossan is available in brown, brown- black, gold, green, rust colors. The commercial uses of Skarn are creating artwork, gemstone, jewelry, metallurgical flux, source of magnesia (mgo) and that of Gossan are cemetery markers, commemorative tablets, gemstone.